﻿//-----------------------------------------------------------------------
// <copyright file="Session.cs" company="OOHM PROCESSAMENTO DE DADOS LTDA.">
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//-----------------------------------------------------------------------
namespace AbstractSaaSTemplate.Domain.Models.Entities{
    using System.Globalization;
    using System.IO;
    using System.Text;
    using System.Xml;
    using System.Xml.Serialization;
    using AbstractSaaSTemplate.Domain.Models.Attributes;

    /// <summary>
    /// Describes the data aggregated by the domain entity 'Session'.
    /// </summary>
    public class Session : PersistentEntityBase
    {
        /// <summary>
        /// Initializes a new instance of the Session class.
        /// </summary>
        public Session()
        {
            this.Culture = CultureInfo.CurrentUICulture;
        }

        /// <summary>
        /// Gets or sets the id of the session.
        /// </summary>
        [PrimaryKey]
        public string Id { get; set; }

        /// <summary>
        /// Gets or sets the culture of the session
        /// </summary>
        [XmlIgnore]
        public CultureInfo Culture { get; set; }

        /// <summary>
        /// Gets or sets the CultureName
        /// </summary>
        public string CultureName
        {
            get
            {
                return this.Culture.Name;
            }

            set
            {
                if (string.IsNullOrWhiteSpace(value))
                {
                    this.Culture = CultureInfo.CurrentUICulture;
                }
                else
                {
                    this.Culture = CultureInfo.GetCultureInfo(value);
                }
            }
        }

        /// <summary>
        /// Gets or sets the login for which the session is valid
        /// </summary>
        public string OwnerLogin { get; set; }

        /// <summary>
        /// Gets or sets a value indicating whether the session
        /// is persistent over time or not.
        /// </summary>
        public bool IsPersistent { get; set; }

        #region Serialization Extensions

        /// <summary>
        /// Retrieves a Session from its XML representation.
        /// </summary>
        /// <param name="xml">The XML representation of the object.</param>
        /// <returns>Returns an instance of Session.</returns>
        public static Session FromXml(string xml)
        {
            var valueObject = null as Session;
            using (var reader = new StringReader(xml))
            {
                var xmlTextReader = new XmlTextReader(reader);
                var serializer = new XmlSerializer(typeof(Session));
                valueObject = (Session)serializer.Deserialize(reader);
            }

            return valueObject;
        }

        /// <summary>
        /// Serializes this Session into XML format
        /// so that it can be saved into the cookie.
        /// </summary>
        /// <returns>Returns a string that is the representation of the serialized object</returns>
        public string ToXml()
        {
            var typeOfValueObject = this.GetType();
            var serializedObject = new StringBuilder();

            using (var xmlWriter = XmlWriter.Create(serializedObject))
            {
                var serializer = new XmlSerializer(typeOfValueObject);
                serializer.Serialize(
                    xmlWriter,
                    this);
            }

            return serializedObject.ToString();
        }

        #endregion
    }
}